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Author : Joy Tivy
Publisher : Routledge
Page : 360 pages
File Size : 55,9 Mb
Release : 2014-10-13
Category : Science
ISBN : 9781317885047
This book analyses the nature of the relationships between crops, livestock and the bio-physical environment, and the extent to which man has managed and modified the products and environment to suit his/her own particular needs.
Author : B.R. Stinner,G.G. Lorenzoni,Maurizio G. Paoletti
Publisher : Elsevier
Page : 645 pages
File Size : 54,6 Mb
Release : 2012-12-02
Category : Technology & Engineering
ISBN : 9780444597953
The increased use of chemical fertilizers and pesticides in crop production has adversely affected both the environment and the agricultural economy. Not only has it led to environmental pollution, but also the increasing costs of chemical inputs and the low prices received for agricultural products have contributed to economic unprofitability and instability.The International Symposium on Agricultural Ecology and Environment was organised in order to discuss ways of achieving the goals of economically and environmentally sustainable agriculture. It is apparent that a truly multidisciplinary effort is required and for this reason the meeting was attended by authors from many different disciplines and geographical locations. Although their papers reflect a wide diversity of agroecosystem types and examples, several common themes emerge: the increased importance of biotic control of ecosystem processes in lower input systems; the key role of soil organic matter in stabilizing nutrient cycling; the importance of agricultural landscape diversity and complexity; the importance of studying ecological processes in natural and agricultural ecosystems; the critical need to integrate socio-economic and ecological approaches.
Author : Joy Tivy
Publisher : Routledge
Page : 297 pages
File Size : 53,5 Mb
Release : 2014-10-13
Category : Science
ISBN : 9781317885054
This book analyses the nature of the relationships between crops, livestock and the bio-physical environment, and the extent to which man has managed and modified the products and environment to suit his/her own particular needs.
Author : H.D.Kumar
Publisher : APH Publishing
Page : 334 pages
File Size : 48,8 Mb
Release : 2006
Category : Agricultural systems
ISBN : 8176489948
Rooted firmly in the principles of econology, the agricultural enterprise, even though having been exposed to the impact of environmental problems arising from land degradation, soil erosion, groundwater depletion and pollution and loss of biological diversity, has so far stood firm and survived to meet the food requirements of the growing population, so much so that there have been some striking instances of food glut in several countires, including some that used to sufer famiens only half a century ago.
Author : George W. Cox,Michael D. Atkins
Publisher : Unknown
Page : 721 pages
File Size : 41,8 Mb
Release : 1979
Category : Agricultural ecology
ISBN : 0716710463
The book consists of 3 parts: (1) the ecological and historical context of agriculture - the world food balance, the ecosystem concept, the evalua tion of agricultural systems, the ecology of domestication, subsistence agricullture, and intensive agriculture; (2) the dynamics of agro-ecosystems - climate and agriculture, bioclimatology, soil formation and structure, soil water and nutrients, impacts of cultivation and grazing on soil, of irrigation and fertilization, soil and plant microbiology, maintenance of the soil ecosystem, agricultural pest problems, chemical pest control, alternatives to the former, biological control, host resistance, and integrated pest management; (3) agriculture and the future - genetic vulnerability and germplasm resources, breeding, food from aquatic systems, energy costs in agriculture, future of agriculture in the developed and developing world, and international agricultural policy.
Author : Louise E. Jackson
Publisher : Academic Press
Page : 472 pages
File Size : 46,9 Mb
Release : 1997-09-14
Category : Science
ISBN : 0080530680
Agricultural crops are prominent features of an increasing number of variously perturbed ecosystems and the landscapes occupied by these ecosystems. Yet the ecology of agricultural-dominated landscapes is only now receiving the scientific attention it has long deserved. This attention has been stimulated by the realization that all agriculture must become sustainable year after year while leaving nearby ecosystems unaffected. Ecology in Agriculture focuses exclusively on the ecology of agricultural ecosystems. The book is divided into four major sections. An introduction establishes the unique ties between agricultural and ecological sciences. The second section describes the community ecology of these sorts of ecosystems, while the final section focuses on the processes that operate throughout these agricultural landscapes. Contains an ecological perspective on agricultural production and resource utilization Includes in-depth reviews of major issues in crop ecology by active researchers Covers a range of topics in agricultural ecophysiology, community ecology, and ecosystems ecology Provides examples of ecological approaches to solving problems in crop management and environmental quality
Author : Richard K. Olson
Publisher : CRC Press
Page : 184 pages
File Size : 41,9 Mb
Release : 1992
Category : Technology & Engineering
ISBN : 1560220236
Explores how ecological knowledge, applied as part of a multidisciplinary effort, can be used to design an environmentally sound agriculture. This examination provides those interested in agriculture with an introduction to related work in other fields including ecology and economics.
Author : John Vandermeer
Publisher : Jones & Bartlett Learning
Page : 404 pages
File Size : 52,8 Mb
Release : 2011
Category : Nature
ISBN : 9780763771539
Agroecology is the science of applying ecological concepts and principles to the design, development, and management of sustainable agricultural systems. The Ecology of Agroecosystems highlights a collection of alternative agricultural methodologies and philosophies and provides an interdisciplinary approach that bridges the sociopolitical and historical context of agriculture. It includes the technical issues in a serious and ecological fashion and captures the complex merging of ecology, agriculture, politics and economics in both a historical and contemporary context. Readers will learn not only about the ethical and moral elements related to producing food of questionable quality while possibly impairing the environment, but also about the soil chemistry involved.
Author : Stephen K. Hamilton,G. Philip Robertson
Publisher : Long-Term Ecological Research
Page : 449 pages
File Size : 54,9 Mb
Release : 2015
Category : Science
ISBN : 9780199773350
Evidence has been mounting for some time that intensive row-crop agriculture as practiced in developed countries may not be environmentally sustainable, with concerns increasingly being raised about climate change, implications for water quantity and quality, and soil degradation. This volume synthesizes two decades of research on the sustainability of temperate, row-crop ecosystems of the Midwestern United States. The overarching hypothesis guiding this work has been that more biologically based management practices could greatly reduce negative impacts while maintaining sufficient productivity to meet demands for food, fiber and fuel, but that roadblocks to their adoption persist because we lack a comprehensive understanding of their benefits and drawbacks. The research behind this book, based at the Kellogg Biological Station (Michigan State University) and conducted under the aegis of the Long-term Ecological Research network, is structured on a foundation of large-scale field experiments that explore alternatives to conventional, chemical-intensive agriculture. Studies have explored the biophysical underpinnings of crop productivity, the interactions of crop ecosystems with the hydrology and biodiversity of the broader landscapes in which they lie, farmers' views about alternative practices, economic valuation of ecosystem services, and global impacts such as greenhouse gas exchanges with the atmosphere. In contrast to most research projects, the long-term design of this research enables identification of slow or delayed processes of change in response to management regimes, and allows examination of responses across a broader range of climatic variability. This volume synthesizes this comprehensive inquiry into the ecology of alternative cropping systems, identifying future steps needed on the path to sustainability.
Author : Gilles Allaire,Benoit Daviron
Publisher : Routledge
Page : 294 pages
File Size : 43,9 Mb
Release : 2018-11-29
Category : Science
ISBN : 9781351210027
With increasing pressure on resources, the looming spectre of climate change and growing anxiety among eaters, ecology and food are at the heart of the political debates surrounding agriculture and diet. This unique contribution unravels agri-environmental issues at different spatial levels, from local to global, documenting the major shifts in agriculture from a long-term perspective. The book begins by exploring the changes in the industrialisation and socialisation of agriculture over time, through the lens of institutional economics including The French Regulation School and Conventions Theory. Building on Polanyi’s ‘Great Transformation’, the chapters in this volume analyse long-term and contemporary changes in agriculture and food systems that have occurred throughout the last few centuries. Key chapters focus on the historical changes in provisioning and the social relations of production, consumption, and regulation of food in different socio-political contexts. The future of agriculture is addressed through an analysis of controversial contemporary political claims and their engagement with strategies that aim to improve the sustainability of agriculture and food consumption. To shed light on ongoing changes and the future of food, this book asks important environmental and social questions and analyses how industrial agriculture has played out in various contexts. It is recommended supplementary reading for postgraduates and researchers in agricultural studies, food studies, food policy, the agri-food political economy and political and economic geography.
Author : Peter Rosset,Miguel A. Altieri
Publisher : Practical Action
Page : 146 pages
File Size : 54,5 Mb
Release : 2017
Category : TECHNOLOGY & ENGINEERING
ISBN : 1853399949
Introduction : why agroecology? -- The scientific principles of agroecology -- The scientific evidence for agroecology : can it feed the world? -- Scaling up agroecology : social process and organization -- The politics of agroecology -- Conclusions : conform or transform?
Author : Stephen R. Gliessman,Eric Engles,Robin Krieger
Publisher : CRC Press
Page : 420 pages
File Size : 46,8 Mb
Release : 1998
Category : Science
ISBN : 1575040433
Presents powerful arguments against "Environmental Racism", "Incrementalism" and the "Impotence of Planning." Explores case studies of urban planning, county policies, residential development and more. Submits the authors recommendations for preserving the delicate balance of Floridas ecosystem.
Author : Stephen R. Gliessman
Publisher : CRC Press
Page : 420 pages
File Size : 44,6 Mb
Release : 2007
Category : Agricultural ecology
ISBN : 0849328454
Providing the theoretical and conceptual framework for this continually evolving field, Agroecology: The Ecology of Sustainable Food Systems, Second Edition explores environmental factors and complexities affecting agricultural crops and animals. Completely revised, updated, and reworked, the second edition contains new data, new readings, new issues and case studies, and new options. It includes two completely new chapters, one on the role of livestock animals in agroecosystems and one on the cultural and community aspects of sustainable food systems. The author clearly delineates the importance of using an ecosystem framework for determining if a particular agricultural practice, input, or management decision contributes or detracts from sustainability. He explains how the framework provides the ecological basis for the functioning of the chosen management strategy over the long-term. He also examines system level interactions, stressing the need for understanding the emergent qualities of populations, communities, and ecosystems and their roles in sustainable agriculture. Using examples of farming systems in a broad array of ecological conditions, the book demonstrates how to use an ecosystem approach to design and manage agroecosystems for sustainability.
Author : R. S. Loomis,D. J. Connor
Publisher : Cambridge University Press
Page : 560 pages
File Size : 41,6 Mb
Release : 1992-10-08
Category : Nature
ISBN : 0521387760
This book is centred on the 'production processes' of crops and pastures - photosynthesis and use of water and nutrients in fields. The book is unique in its combination of great breadth and depth in its treatment of production processes and systems problems. The approach is explanatory and integrative, with a firm basis in environmental physics, soils, physiology, and morphology, in contrast to descriptive or reductionist approaches. Systems concepts are introduced early and expanded as the book proceeds, giving emphasis to quantitative approaches, to management strategies and tactics employed by farmers, and to environmental issues. The systems approach is brought together in the final chapters where production and nutrient cycling are analyzed, for example farms and problems in an uncertain future are considered. The book is based on courses taught by the authors in Australia and the United States and is designed for use as a text for an introductory course in crop ecology (advanced undergraduates and beginning post-graduate level). It is more than a text, however. Given the wide range of subjects, the authors have integrated reference and background material to create a 'stand-alone' reference work useful to a wide audience of agriculturalists.
Author : Noureddine Benkeblia
Publisher : CRC Press
Page : 398 pages
File Size : 47,9 Mb
Release : 2014-11-20
Category : Science
ISBN : 9781482233018
We hear a lot about how agriculture affects climate change and other environmental issues, but we hear little about how these issues affect agriculture. When we look at both sides of the issues, we can develop better solutions for sustainable agriculture without adversely affecting the environment. Agroecology, Ecosystems, and Sustainability explores a modern vision of ecology and agricultural systems, so that crop production can be sustainably developed without further environmental degradation. With contributions from experts from more than 20 countries, the book describes how to make the transition to modern agroecology to help the environment. It examines the global availability of natural resources and how agroecology could allow the world population to reach the goal of global sustainable ecological, agricultural, and food production systems. The book discusses important principles that regulate agroecological systems, including crop production, soil management, and environment preservation. Making the link between theory and practices, the book includes examples of agroecology such as an interdisciplinary framework for the management of integrated production and conservation landscapes and the use of mechanized rain-fed farming and its ecological impact on drylands. An examination of how ecology and agriculture can be allied to ensure food production and security without threatening our environment, the text shows you how natural resources can be used in a manner to create a "symbiosis" to preserve ecological systems and develop agriculture.
